set up translations for link labels

Localization/app.json

@@ -685,5 +685,13 @@
             "multiple_account_switch_intro_description": "Switch between multiple accounts by holding the profile button.",
             "accessibility_hint": "Double tap to dismiss this wizard"
         }
+    },
+    "a11y": {
+        "meta_entity": {
+            "url": "Link: %s",
+            "hashtag": "Hastag %s",
+            "mention": "Show Profile: %s",
+            "email": "Email address: %s",
+        }
     }
-}
+}

MastodonSDK/Sources/MastodonUI/Extension/MetaEntity+Accessibility.swift

@@ -11,12 +11,16 @@ extension Meta.Entity {
     var accessibilityCustomActionLabel: String? {
         switch meta {
         case .url(_, trimmed: _, url: let url, userInfo: _):
+            // TODO: i18n (a11y.meta_entity.url)
             return "Link: \(url)"
         case .hashtag(_, hashtag: let hashtag, userInfo: _):
+            // TODO: i18n (a11y.meta_entity.hashtag)
             return "Hashtag \(hashtag)"
         case .mention(_, mention: let mention, userInfo: _):
-            return "Show Profile: @\(mention)"
+            // TODO: i18n (a11y.meta_entity.mention)
+            return "Show Profile: \("@" + mention)"
         case .email(let email, userInfo: _):
+            // TODO: i18n (a11y.meta_entity.email)
             return "Email address: \(email)"
         // emoji are not actionable
         case .emoji: